§16.5 Fe Co Ni §16.4 Mn §16.3 Cr Mo W * §16.2 Titanium Vanadium §16.1 Outline on the d-block elements

§15.2 The rare gases §15.1 The halogens §15.3 The property variations for compounds of p-block elements

§14.1 The elements of nitrogen family 14.1.5 The compounds of As, Sb and Bi 14.1.4 The compounds of phosphorus 14.1.3 The compounds of nitrogen 14.1.2 The elemental substances of nitrogen family 14.1.1 Outline on nitrogen family §14.2 The elements of oxygen 14.2.3 Sulfur and the related compounds 14.2.2 Oxygen and the related 14.2.1 Outline on oxygen family

§17.1 The elements of copper family §17.2 The elements of zinc family

§9.1 Valence Bond Theory §9.4 Bond Parameters §9.3 Molecular Orbital Theory §9.2 Valence Shell Electron Pair Repulsion (VSEPR) Theory

§7.1 The fundamental concepts of redox reactions §7.2 Electrochemical cells §7.3 Electrode potentials §7.4 Application of electrode potentials

§13.1 Outline on the p-block elements § 13.2 The elements of boron family § 13.3 The elements of carbon family

8.1 The atomic structure of hydrogen 8.2 The atomic structure of many-electron atoms 8.3 Periodic law of elements

§ 6.1 Solubility and solubility product § 6.3 Equilibrium between two precipitates § 6.2 Forming and dissolving of precipitates

§12.1 The general properties of the s-block elements §12.2 The elementary substances §12.3 The properties of the alkali and alkaline earth compounds §12.4 The particularity of Li and Be The diagonal relationship